KabelDirekt MFI certified 3200mAh iPhone 6 Battery/ Power Case (Charger Case) 3200mAh - PRO Series The 3200mAh built-in battery provides 130% additional battery life for your iPhone 6 Apple Mfi certified - The iPhone may be sychronized via the battery case with current and future iOS updates- This is not the case with non-certified Apple accessories The battery case is charged alongside with the iPhone while the iPhone is inside the case The iPhone 6 case from KabelDirekt is delivered together with a high-grade Micro USB Cable as well as a 4-pole 3.5mm Headset Adapter Certified production and quality control- 18 months warranty